Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 166.4 m = 546.0 ft
Main Spans: 5 at 36.3 m = 119.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 15.2 m = 49.9 ft (4 Lanes) and Out-To-Out: 18.9 m = 62.0 ft for a 15.2 m = 49.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Amity [01945]: Polk County [153], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
79243400
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: M 18 / H 20 [4]
Operating: 53.7 metric ton = 59.1 tons (Load Factor(LF) [1])
Inventory: 32.2 metric ton = 35.4 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 14900 (2016) and Trucks: 0%
Future ADT: 14900 (In 2039
)